From: Max Filippov <jcmvbkbc@gmail.com>
Date: Tue, 15 Oct 2019 21:51:43 -0700
Subject: xtensa: fix change_bit in exclusive access option
Git-commit: 775fd6bfefc66a8c33e91dd9687ed530643b954d
Patch-mainline: 5.4-rc4
References: bnc#1151927 5.3.8

change_bit implementation for XCHAL_HAVE_EXCLUSIVE case changes all bits
except the one required due to copy-paste error from clear_bit.

Cc: stable@vger.kernel.org # v5.2+
Fixes: f7c34874f04a ("xtensa: add exclusive atomics support")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 arch/xtensa/include/asm/bitops.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/xtensa/include/asm/bitops.h
+++ b/arch/xtensa/include/asm/bitops.h
@@ -148,7 +148,7 @@ static inline void change_bit(unsigned i
 			"       getex   %0\n"
 			"       beqz    %0, 1b\n"
 			: "=&a" (tmp)
-			: "a" (~mask), "a" (p)
+			: "a" (mask), "a" (p)
 			: "memory");
 }